072  
FXUS01 KWBC 230801  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
300 AM EST WED JAN 23 2019  
 
VALID 12Z WED JAN 23 2019 - 12Z FRI JAN 25 2019  
 
...WINTER STORM IMPACTING PARTS OF THE CENTRAL PLAINS TO THE UPPER  
MIDWEST AND GREAT LAKES TODAY...  
 
...ACTIVE WEATHER IN THE PACIFIC NORTHWEST WILL GRADUALLY ABATE IN  
THE NEXT COUPLE OF DAYS...  
 
...DANGEROUS WIND CHILLS RETURN TO THE NORTHERN PLAINS AND MIDWEST  
WEDNESDAY NIGHT INTO THURSDAY...  
 
A WINTER STORM WILL CONTINUE TO SPREAD SNOW FROM THE UPPER MIDWEST  
TOWARD THE GREAT LAKES TODAY AS THE ASSOCIATED LOW PRESSURE SYSTEM  
INTENSIFIES AND MOVES ACROSS THESE AREAS WITH UP TO A FOOT OF  
ACCUMULATION POSSIBLE. SOME MIXED PRECIPITATION CAN ALSO BE  
EXPECTED NEAR THE TRACK OF THE STORM CENTER TODAY ACROSS LOWER  
MICHIGAN. SOUTH OF THE STORM TRACK, RAIN IS EXPECTED AHEAD OF A  
STRONG COLD FRONT WITH SOME POTENTIAL OF HEAVY RAIN FROM THE  
MID-ATLANTIC SOUTHWARD TO FLORIDA THROUGH THURSDAY AFTERNOON.  
WIDESPREAD RAIN TOTALS OF AROUND AN INCH OR MORE ARE FORECAST.  
THE CENTRAL TO EASTERN GULF COAST REGION WILL HAVE BEST CHANCE OF  
SEEING THUNDERSTORMS TODAY, SOME OF WHICH COULD BECOME SEVERE AS  
THE STRONG COLD FRONT APPROACHES.  
 
MEANWHILE, MOISTURE ASSOCIATED WITH A RATHER ENERGETIC PACIFIC  
CYCLONE CURRENTLY IS BRINGING MODERATE TO HEAVY RAIN ACROSS THE  
PACIFIC NORTHWEST COAST. THE STRONG UPPER-LEVEL FLOW WILL  
CONTINUE TO CARRY THE MOISTURE FURTHER INLAND ACROSS THE  
INTERMOUNTAIN REGION IN THE FORM OF SNOW. THE SNOW WILL THEN MOVE  
INTO THE NORTHERN ROCKIES TONIGHT AND EARLY THURSDAY JUST AS THE  
NEXT SURGE OF ARCTIC AIR FROM CENTRAL CANADA ARRIVES. A CLIPPER  
TYPE LOW PRESSURE SYSTEM DEVELOPING ALONG AN ARCTIC FRONT COULD  
BRING A PERIOD OF SNOW SQUALLS ACROSS THE UPPER MIDWEST LATER  
TONIGHT INTO THURSDAY MORNING. FRIGID AIR WILL THEN USHER INTO  
THE PLAINS BEHIND THIS CLIPPER AS A COLD ARCTIC HIGH PRESSURE  
SYSTEM PLUNGES SOUTHWARD THROUGH THE PLAINS. HIGH TEMPERATURES ON  
THURSDAY WILL STRUGGLE TO REACH ABOVE ZERO FROM NORTH DAKOTA TO  
WISCONSIN, WITH WIDESPREAD WIND CHILL VALUES BETWEEN MINUS 10 AND  
MINUS 20. THE CLIPPER AND THE ARCTIC FRONT WILL THEN REACH THE  
LOWER GREAT LAKES AND THE APPALACHIANS FRIDAY MORNING RESPECTIVELY  
WITH A PERIOD OF SNOW AND FALLING TEMPERATURES.  
 
KONG  
 
GRAPHICS AVAILABLE AT  
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 

 
 
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